Adjusting bolt seat for a drum



FIG. 1 is a perspective view of an adjusting bolt seat for a drum, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a reduced perspective view showing the application of the adjusting bolt seat, wherein portions of fragmentary drum and bolt seats in broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an adjusting bolt seat for a drum, as shown and described. 